Lounge chair



FIG. 1 is a front perspective view of a lounge chair showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view, the opposite side being a mirror image thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view; and,

FIG. 6 is a lounge chair in a flat position. 

CLAIM The ornamental design for a lounge chair, as shown and described. 